Maurice LaMarche

MauriceLaMarche (born March 30th, 1958) is a Canadian-born voice actor and former stand up comedian known for providing various voices on the animated series and movies, who provided the voice for Big Bob Pataki. He is best known as the Brain on both Animaniacs, and it's spin-off series Pinky and the Brain. He is also Egon in The Real Ghostbusters, and some of his best known voice work is on Futurama, where he voices Kif Kroker, Morbo, Calculon, and many others.